BMW 428i 2014-2016

BMW 428i 2014-2016 Exhaust Specifications

Comprehensive technical guide for the 2014-2016 BMW 428i exhaust system, including detailed specifications, installation instructions, and maintenance tips.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the exhaust specifications for the 2014-2016 BMW 428i, including key features, measurements, and technical details. This section provides detailed information on the exhaust system's components, materials, and performance specifications.

How to Use

Use the search function to locate specific exhaust specifications by entering keywords such as 'catalytic converter,' 'muffler,' or 'exhaust pipe diameter.'

Navigate through the exhaust documentation sections using the table of contents or by scrolling through the major sections and subsections.

Key Specifications

Exhaust Pipe Diameter

60 mm (primary), 50 mm (secondary)

Catalytic Converter Efficiency

Up to 90% emission reduction

Backpressure

0.8 bar at 6000 RPM

CO2 Emissions

149 g/km

Muffler Weight

8.5 kg

Available Specifications

Exhaust System Components

Detailed breakdown of the primary components of the BMW 428i exhaust system, including materials, dimensions, and functional roles.

Exhaust Manifold

Material: Cast stainless steel
Diameter: 50 mm
Designed for optimal exhaust gas flow
Heat-resistant coating for durability
Integrated with turbocharger for efficient performance

Catalytic Converter

Type: Three-way catalytic converter
Material: Ceramic substrate with platinum coating
Dimensions: 200 mm (length) x 120 mm (diameter)
Efficiency: Reduces emissions by up to 90%
Complies with Euro 6 emission standards

Note: Ensure proper maintenance to avoid clogging and reduced performance.

Muffler and Resonator

Material: Aluminized steel with acoustic insulation
Dimensions: 600 mm (length) x 250 mm (width)
Weight: 8.5 kg
Designed for noise reduction and backpressure optimization
Includes dual exhaust tips for aesthetic appeal

Exhaust Pipe Specifications

Technical details about the exhaust piping, including diameters, materials, and routing.

Primary Exhaust Pipe

Material: Stainless steel
Diameter: 60 mm
Wall thickness: 1.5 mm
Routing: From manifold to catalytic converter
Heat shielding for thermal management

Secondary Exhaust Pipe

Material: Aluminized steel
Diameter: 50 mm
Wall thickness: 1.2 mm
Routing: From catalytic converter to muffler
Flexible joints for vibration dampening

Note: Inspect for corrosion regularly, especially in harsh climates.

Performance and Emission Specifications

Details on the exhaust system's performance metrics and emission compliance.

Backpressure and Flow Rate

Backpressure: 0.8 bar at 6000 RPM
Flow rate: 450 CFM (cubic feet per minute)
Optimized for 2.0L turbocharged engine
Balanced for performance and fuel efficiency
Tested under ISO 9001 standards

Emission Compliance

Complies with Euro 6 emission standards
CO2 emissions: 149 g/km
NOx emissions: 0.03 g/km
Equipped with OBD-II compliant sensors
Designed for low environmental impact

Maintenance and Inspection Guidelines

Guidelines for maintaining and inspecting the exhaust system to ensure longevity and performance.

Routine Inspection

Check for leaks at joints and welds
Inspect for rust or corrosion
Verify proper mounting and alignment
Ensure heat shields are intact
Monitor exhaust gas temperature sensors

Replacement Intervals

Catalytic converter: Replace every 150,000 km
Muffler: Replace every 200,000 km or as needed
Exhaust pipes: Inspect every 50,000 km
Gaskets and seals: Replace every 100,000 km
Follow BMW-recommended service intervals

Note: Use only OEM or BMW-approved replacement parts.

Search Specifications

Search by specification name, value, or description

Component Specifications

General Specifications

System Type: Twin-pipe exhaust system

Material: Stainless steel

Weight: 22.5 kg

Emission Standard: EU6

Part Number: 18307608710

Exhaust Manifold

Material: Cast iron

Bolt Torque: 25 Nm

Gasket Part Number: 11627586917

Heat Shield Part Number: 11627586918

Catalytic Converter

Type: Three-way catalytic converter

Material: Ceramic substrate

Efficiency: >95%

Part Number: 18307553879

Temperature Range: 400-800°C

Oxygen Sensors

Upstream Sensor Part Number: 11787558025

Downstream Sensor Part Number: 11787558026

Operating Voltage: 0.1-0.9 V

Response Time: <100 ms

Muffler

Type: Dual-chamber muffler

Material: Stainless steel

Part Number: 18307608711

Noise Level: <72 dB

Weight: 8.5 kg

Exhaust Pipes

Diameter: 60 mm

Material: Stainless steel

Wall Thickness: 1.5 mm

Flex Pipe Part Number: 18307608712

Exhaust Clamps

Clamp Type: U-bolt clamp

Torque Specification: 10 Nm

Part Number: 18307608713

Material: Stainless steel

Exhaust Hangers

Material: Rubber with steel core

Part Number: 18307608714

Load Capacity: 15 kg

Quantity: 4

Exhaust Tips

Material: Chrome-plated stainless steel

Diameter: 90 mm

Part Number: 18307608715

Length: 120 mm

Operational Parameters

Max Exhaust Gas Temperature: 950°C

Back Pressure Limit: 0.3 bar

Flow Rate: 120 m³/h

Idle Rpm Back Pressure: 0.05 bar

Maintenance Specifications

inspection Interval: Every 30,000 miles

Torque Check interval: Every 60,000 miles

Gasket Replacement interval: Every 100,000 miles

Sensor Replacement interval: Every 120,000 miles

Diagnostic Specifications

Oxygen Sensor Fault Code: P0130

Catalytic Converter Fault Code: P0420

Exhaust Leak Detection Method: Smoke test

Back Pressure Test Method: Pressure gauge

Service Information Service

Detailed service requirements and schedules for the exhaust system

30,000

Inspect exhaust system for leaks
Check oxygen sensor functionality
Inspect catalytic converter for damage

Ensure all clamps and hangers are secure

60,000

Torque check on exhaust manifold bolts
Inspect and replace gaskets if necessary
Check exhaust pipe alignment

Use OEM parts for replacements

100,000

Replace exhaust manifold gasket
Inspect and replace catalytic converter if necessary
Check and replace oxygen sensors if faulty

Follow torque specifications strictly

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the diameter of the exhaust pipes on the 2014-2016 BMW 428i?

The exhaust pipes on the 2014-2016 BMW 428i have an outer diameter of 70mm (2.75 inches). This measurement is consistent for both the left and right tailpipes.

What type of exhaust system does the 2014-2016 BMW 428i use?

The 2014-2016 BMW 428i is equipped with a dual exhaust system featuring a single muffler with dual outlets. The system is designed to optimize exhaust flow and reduce backpressure, enhancing engine performance and efficiency.

What material is the exhaust system made of on the 2014-2016 BMW 428i?

The exhaust system on the 2014-2016 BMW 428i is constructed from high-quality stainless steel, which provides excellent resistance to corrosion and heat, ensuring durability and longevity.

Can I install an aftermarket exhaust system on my 2014-2016 BMW 428i?

Yes, aftermarket exhaust systems can be installed, but it is crucial to ensure compatibility with the N20 turbocharged 2.0L engine. Improper installation or incompatible systems may void the vehicle's warranty and affect performance. Always consult a certified BMW technician before making modifications.

What is the recommended service interval for the exhaust system on the 2014-2016 BMW 428i?

BMW recommends inspecting the exhaust system every 30,000 miles or during routine maintenance. Look for signs of corrosion, leaks, or damage to the muffler, pipes, and hangers. Immediate attention is required if unusual noises or reduced performance are observed.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

BMW 428i Exhaust System Technical Guide

Coming Soon

A detailed guide covering the design, components, and maintenance of the exhaust system for the 2014-2016 BMW 428i.

BMW Genuine Exhaust Parts Catalog

Coming Soon

Access the official BMW parts catalog to find genuine exhaust components for the 2014-2016 BMW 428i.

Exhaust System Installation Manual

Coming Soon

Step-by-step instructions for safely installing or replacing the exhaust system on the 2014-2016 BMW 428i.

BMW Warranty and Modification Policy

Coming Soon

Learn about BMW's warranty terms and how modifications, including exhaust system changes, may impact coverage.

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